Cheyenne, Wyoming Sales Tax Rate

Cheyenne is the capital and largest city of Wyoming. The economy is driven by state government, military (F.E. Warren Air Force Base), healthcare, and transportation (Cheyenne is a major rail and I-25 corridor hub).

The combined sales tax rate in Cheyenne is 5.000%, composed of the Wyoming state rate of 4.000% plus a local portion of 1.000%.

The formula to calculate sales tax for any purchase:

For a $150.00 purchase in Cheyenne: tax is $7.50 ($150.00 × 0.05000), total is $157.50.

As Wyoming's capital, Cheyenne hosts extensive government operations centered on Wyoming State Capitol with specific tax treatment:

Federal agencies are immune from state sales tax outright, under intergovernmental immunity rather than any Wyoming exemption. State and local bodies — including school districts — are exempt in most states on purchases for governmental purposes, though not everywhere: California taxes sales to state and local government. The distinction that catches suppliers is governmental versus proprietary. A revenue-earning activity such as a municipal utility, a parking operation or a recreation facility can be taxable at 5.000% even when the same entity buys tax-free for its governmental side. And a contractor working for a government is not exempt by association: that turns on the contract terms and on Wyoming's own rule.

Selling to state agencies and the public entities headquartered in Cheyenne means paperwork before price:

A government purchase order should arrive carrying either an exemption certificate or an agency identifier; if it does not, the supplier is the one holding the exposure. State term contracts often settle the tax treatment in advance, GSA Schedule purchases follow federal rules rather than Wyoming's, and local purchasing cards have their own handling that varies by issuing body. Keep the documentation at least four years, which covers any state's audit window — the exemption certificate guide sets out what a valid certificate has to contain.

Cheyenne shoppers and businesses routinely cross into Fort Collins CO, Laramie, Denver CO and beyond — and in Wyoming, the combined rate can change at those lines. Of the tracked neighbors, Rawlins charges 6.000% versus Cheyenne's 5.000%.

• Fort Collins CO (45 mi S): outside our tracked Wyoming city set — verify its current combined rate before invoicing deliveries there
• Laramie (50 mi NW): combined rate 5.000% — see the Laramie page
• Denver CO (100 mi S): outside our tracked Wyoming city set — verify its current combined rate before invoicing deliveries there
• Greeley CO (60 mi S): outside our tracked Wyoming city set — verify its current combined rate before invoicing deliveries there
• Rawlins (120 mi NW): combined rate 6.000% — see the Rawlins page

Deliveries are taxed by the destination rules Wyoming applies, not by where the store sits — when an order ships across one of these city lines, re-check the rate for the exact address.

Since South Dakota v. Wayfair, a seller with no premises, staff or stock anywhere near Cheyenne can still be required to register in Wyoming and charge 5.000% on what it ships here — presence stopped being the trigger and volume took over. The thresholds that decide it are in the table below; what they do not tell you is that crossing them obliges you to collect at the buyer's local rate, not a state average, which is why Cheyenne and its neighbours have to be priced separately. The registration mechanics and the trailing-twelve-month counting rules are in the economic nexus guide.

Audit & Compliance Warning: Because combined tax rates combine state and local tax components, calculating tax based purely on ZIP codes can lead to errors. Many ZIP codes span multiple municipal boundaries with differing rates. For precise auditing, always use address-level geo-lookup.

Three obligations follow the 5.000% rate around Cheyenne: untaxed out-of-state purchases delivered here owe matching use tax — $50.00 on a $1,000 order — self-assessed to WY Dept of Revenue / Laramie County; sellers with physical presence or economic nexus must register before collecting; and wholesale sales need a valid resale certificate on file at transaction time. Filing mechanics, exemption certificates, and audit preparation are covered in the Wyoming sales tax guide.

While not primarily a tourism destination, Cheyenne draws visitors for Wyoming State Capitol and Cheyenne Frontier Days, and the 5.000% rate applies to their spending on lodging, dining, and attractions.

Prescription drugs are exempt from sales tax in Wyoming. Medical equipment purchased by licensed providers in Cheyenne may qualify for exemptions — verify with WY Dept of Revenue / Laramie County.